Nantucket Sinks MOBYXL 31-Inch 18-Gauge Single Bowl Undermount Stainless Steel Kitchen Sink Exterior Dimensions: 31.25" x 20.5" Interior Dimensions: 29.5" x 18.5" Bowl Depth: 9" 18Gauge 304 Stainless Steel Coated with Custom Insulation and Rubber Padding to Reduce Condensation and Noise Bottom Grid Available for Separate Purchase (BGMOBYXL)